Pub. L. 109-432, div. D, tit. I, subtit. A, ch. 1, sec. 1136
4,4′-DITHIODIMORPHOLINE.
SEC. 1136. 4,4′-DITHIODIMORPHOLINE. Subchapter II of chapter 99 is amended by inserting in numerical sequence the following new heading: “ 9902.22.274,4′-Dithiodimorpholine (CAS No. 103–34–4) (provided for in subheading 2930.90.90)FreeNo changeNo changeOn or before 12/31/2009”. 120 STAT. 3078